.header{
    display: flex;
    .left{
        flex: 1;
    }
    .right{
        flex: 1;
        text-align: right;
    }
}
.content {
    margin-top: 20px;
    height: calc(100vh - 64px - 210px);

    overflow-y: auto;

}

.footer{
    text-align: center;
    padding: 10px;
}